there's no need for those regular blood tests. pradaxa is progress. pradaxa can cause serious, sometimes fatal, bleeding. don't take pradaxa if you have abnormal bleeding, and seek immediate medical care for unexpected signs of bleeding like unusual bruising. pradaxa may increase your bleeding risk if you're 75 or older, have kidney problems or a bleeding condition, like stomach ulcers. or if products, nsaids, or blood thinners. tell your doctor about all medicines you take, any planned medical or dental procedures, and don't stop taking pradaxa without your doctors approval, as stopping may increase your stroke risk. other side effects include indigestion,stomach pain, upset, or burning. if you have afib not caused by a heart valve problem, ask your doctor if pradaxa can reduce your risk of a stroke. for more information or help paying for pradaxa, visit pradaxa.com.